Cast
Kim Si-eun
So-hee
Bae Doona
Yoo-jin
Jung Hoe-ryn
Jun-hee
Kang Hyun-oh
Tae-joon
Bahk Woo-young
Dong-ho
Lee In-young
Eun-ah
Park Hui-eun
So-hee's Mother
Kim Yong-jun
So-hee's Father
Sim Hee-seop
Former Team Manager
Yoon Ga-i
Ji-won
Jung Soo-ha
Jung-in / Customer Oh Joo-yeon (voice)
Park Yoon-hee
Director
Choi Hee-jin
Newcomer Team Manager
Yoo Jeong-ho
Head Manager
Moon Jung-woong
Headquarters Staff 1 / Customer Choi Cheol-woong (voice)
KT
Kim Tae-yoon
Headquarters Staff 2
YJ
Yoo Jae-won
Call Center Colleague Yoo-jeong
Kim Hee-won
Call Center Colleague Seon-ae
Park Seo-kyoung
Call Center Colleague Park Seul-ki
Kim Woo-kyum
Detective Bae
KT
Kim Tae-woong
Detective Kim / Customer Yoon Won-sang (voice)
Song Yo-sep
Chief of Criminal Division
NJ
Na Jong-min
Chief of Police Station
Heo Jeong-do
Homeroom Teacher
Park Soo-young
Vice Principal
Kwon Da-ham
Chief of Staff
Hwang Jeong-min
School Vice-Commissioner
Han Hye-ji
Former Team Manager's Wife
SJ
Sim Ji-an
Former Team Manager's Son
Eom Ok-ran
Bar Owner
KS
Kim Soo-yeong
Practice Room Member Soo-yeong
Lee Hwa-young
Practice Room Member Hwa-young
YJ
Yoo Jae-yeon
Practice Room Member Jae-yeon
Cho Yu-jin
Practice Room Member Min-ji
LJ
Lee Ji-ho
Practice Room Member Ji-ho
JE
Jang Eun-jeong
Practice Room Member Eun-jeong
LJ
Lee Jong-min
Gopchang Restaurant Man
OJ
Oh Joong-hoon
Call Center Guide Staff
NW
Na Won-hee
New Colleague Myeong-kyeong / Customer Koo Min-seo (voice)
JH
Jo Ha-min
New Colleague Eun-hwa
KH
Kang Hee-min
Call Center Agent / Customer Lee Joo-bin (voice)
Ko Ha-eun
Call Center Agent
KD
Kim Do-yeon
Call Center Agent
KM
Kim Mi-ri
Call Center Agent
KS
Kim Soo-yeon
Call Center Agent
KC
Kim Chae-won
Call Center Agent
KH
Kim Hye-yoon
Call Center Agent
PH
Park Hyeon-yeong
Call Center Agent
PH
Park Hyeon-ha
Call Center Agent
BS
Baek Seo-yeon
Call Center Agent
SJ
Son Jin-joo
Call Center Agent
YA
Yang Ah-reum
Call Center Agent
YY
Yang Yeon-hee
Call Center Agent
YS
Yoon So-hee
Call Center Agent
YY
Yoon Ye-hyeon
Call Center Agent
LS
Lee Se-min
Call Center Agent
LS
Lee Soo-bin
Call Center Agent
LY
Lee Yoo-song
Call Center Agent
LH
Lee Han
Call Center Agent
IJ
Im Jin-kyeong
Call Center Agent
JM
Jin Min-jeong
Call Center Agent
CH
Choi Ha-won
Call Center Agent
Park Gun-joo
Tae-joon's Bullying Colleague
KJ
Kwon Joon-yeol
Tae-joon's Factory Colleague
Cha Woo-young
Tae-joon's Factory Colleague
LS
Lee Seung-yeong
Tae-joon's Factory Colleague
YY
Yoo Yong-hee
Parking Lot Security Guard
Lee Yoon-ji
Female Employee on Her Way to Work
MJ
Min Jae-won
Security Guard
SH
Sin Ho-yeon
Security Guard
JJ
Jeon Jeong-hoon
Security Guard
PH
Park Hyeon-gook
Human and Net Staff
PS
Park Seong-woong
Forensic Examiner
JI
Jang In-tae
Funeral Staff
LC
Lee Chae-yeong
Redhead Trainee
SY
Son Yoo-jin
Trainee
AS
Ahn So-jeong
Trainee
C
Chae-seul
Trainee
GE
Go Eun-seon
Chaperone Teacher
KS
Kang Seo-hoo
Child Going to School
KH
Kwon Hae-rin
Child Going to School
BS
Bae Seo-eun
Child Going to School
SH
Seo Hyo-won
Child Going to School
SJ
Seo Jae-hee
Child Going to School
LE
Lee Eun-gyoo
Child Going to School
KK
Kim Ki-hyun
Dong-ho's Factory Colleague
KJ
Kim Jae-beom
Dong-ho's Factory Colleague
KJ
Kim Jong-hak
Dong-ho's Factory Colleague
NY
Nam Yoon-gi
Dong-ho's Factory Colleague
SS
Seo Sang-woo
Dong-ho's Factory Colleague
HG
Heo Geon-haeng
Dong-ho's Factory Colleague
GJ
Gal Jae-yoon
Funeral Director
KJ
Kim Jin-yeong
Technical Team Staff / Customer Cho Sang-wook (voice) / Customer Jeong Doo-wan (voice)
NY
Na Ye-eun
Jun-hee's Fan
Kim Ye-na
Police Station Staff
Chu Eun-kyeong
Police Station Staff
KH
Kim Han-saem
Detective Bae's Stand-In
MS
Moon Seong-ryeol
Customer Seo Jang-woo (voice)
Crew
JM
Jeong Min-ju
Sound
LY
Lee Young-lim
Editing
CI
Choi Im
Art
KD
Kim Dong-ha
Production
Kim Il-yeon
Camera
KM
Kim Min-jae
Lighting
HJ
Hong Jang-pyo
Visual Effects
CK
Choi Kwang-rak
Crew
KK
Kim Kyu-man
Sound
JS
Jeong Seong-uk
Visual Effects
KH
Kim Ha-kyoung
Costume & Make-Up
HJ
Han Ji-youn
Editing
HJ
Hwang Jung-ho
Sound
July Jung
Directing
July Jung
Writing
KS
Kim So-ryeong
Writing
ET
Eom Tae-sik
Editing
KH
Kim Hye-jeong
Sound
OC
O Chang-ryeol
Costume & Make-Up
KJ
Kim Ji-yeon
Production
KC
Kim Cha-i
Crew
Jang Young-gyu
Sound
MD
Matt Dugan
Production
KH
Kim Han-ul
Directing
CP
Choi Pyung-ho
Production
KY
Kim Yun-gyeong
Sound
